UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 Form 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES AND EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 OR o TRANSITION REPORT UNDER SECTION 13 OR 15(d) OF THE SECURITIES ACT OF 1934 FOR THE TRANSITION PERIOD FROM TO . Commission file number 001-14775 DMC GLOBAL INC. (Exact name of Registrant as Specified in its Charter) Delaware 84-0608431 (State of Incorporation or Organization) ...